OpenTechnical

OT-2026-000075500

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075500) never changes.

Identity and time

Publication numberOT-2026-000075500 · never reused
Internal UUID01a0ae93-f202-7d79-b776-0fa73dd6bc9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075500
StatusPUBLIC

Content hashes

Canonical textf9b78c1153e6b4ddcdfe858d7c67e48e0010875513146a09610712a2a82c2ee8
Markdown371f3bcf8428f6fce7c1d1ae15452cc74deca3b091315a00bfa083d9835ff3e0
PDF
Publication paged869b5e3bf82a38b5863dfc7c9868b645fad0ac508b82aed133fc393bc891a02
Manifest92e4e6cb365a4c5ce76739743ebb109b87f546f500603db298255d80591cd045

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturet6Dg8E2BpD/nmatdWb6GBDTjSbLIMKVXM2MpAr3InVd58f+wjndBWew5IqswL/mDnQyLpOSpqfCONCpUiUnODg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:54.696378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075500
observed d869b5e3bf82a38b5863dfc7c9868b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:54.556200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075500/manifest.json
observed 92e4e6cb365a4c5ce76739743ebb109b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:54.536652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075500/publication.md
observed 371f3bcf8428f6fce7c1d1ae15452cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:54.517941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075500/publication.txt
observed f9b78c1153e6b4ddcdfe858d7c67e48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.